Add a custom Range field type in WP Job Manager Applications addon plugin (requires WP Job Manager Field Editor for range field type support)

functions.php

<?php

add_filter( 'job_application_form_fields', 'smyles_custom_add_range_app_field' );

function smyles_custom_add_range_app_field( $fields ) {

	$fields['some_range_field'] = array(
		'label'       => __( 'Range Example' ),
		'description' => '',
		'type'        => 'range',
		'required'    => true,
		'placeholder' => '',
		'priority'    => 2,
		'min'         => '1000',
		'max'         => '100000',
		'step'        => '100', // increment value by this amount each time
		'append'      => '/week',
		'prepend'     => '$',
		'rules'       => array()
	);

	return $fields;
}

add_filter( 'job_application_form_field_types', 'smyles_add_range_field_type_to_app_fields' );

function smyles_add_range_field_type_to_app_fields( $types ){

	$types['range'] = __( 'Range (Field Editor)' );
	return $types;
}